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Use the substitution method to solve the following system of equations 7x y 5 5x 2y 10 Select the correct choice below and if necessary

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Use the substitution method to solve the following system of equations 7x y 5 5x 2y 10 Select the correct choice below and if necessary fill in the answer box to complete your choic OA There is one solution The solution of the system is Simplify your answer Type an ordered pair OB The solution set of the system is x y 7x y 5

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